CN107129688A - A kind of high-temperature resistant antibacterial silicon rubber and preparation method thereof - Google Patents
A kind of high-temperature resistant antibacterial silicon rubber and preparation method thereof Download PDFInfo
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- CN107129688A CN107129688A CN201710471947.4A CN201710471947A CN107129688A CN 107129688 A CN107129688 A CN 107129688A CN 201710471947 A CN201710471947 A CN 201710471947A CN 107129688 A CN107129688 A CN 107129688A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2312/00—Crosslinking
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Abstract
The invention discloses a kind of high-temperature resistant antibacterial silicon rubber and preparation method thereof, basic recipe and weight ratio composition are：30 40 parts of silicon rubber, 10 18 parts of heat-resistant agent, 4 12 parts of silver-contained antibacterial fiber, 5 15 parts of fullerene, 28 parts of micro- crosslinking agent, 39 parts of coupling agent, 12 20 parts of modified carbon black, higher boiling filling oily 15 25 parts, 15 parts of antioxidant.The preparation method is that the material after will be well mixed sends into banburying in banbury, then plasticate, produce through mill.High-temperature resistant antibacterial silicon rubber produced by the present invention, mechanical strength is high, elastic and good anti-bacterial effect, resistance to elevated temperatures are excellent, recoverable, it is adaptable to the field such as sanitary bath hose, electric wire.
Description
Technical field
The present invention relates to plastic applications, more particularly to a kind of high-temperature resistant antibacterial silicon rubber and preparation method thereof.
Background technology
Silicon rubber is a kind of specific rubber of function admirable, with excellent heat resistance, insulating properties, cold resistance and dielectricity
Etc. performance, thus it is used widely.Common silicon rubber heat-resisting is between 200~250 DEG C.With the development of science and technology, at certain
Under the conditions of some specific, the heat resistance to silicon rubber proposes higher requirement, especially with the hair of aeronautical and space technology
Exhibition, the heat resistance for further improving silicon rubber makes great sense.
However, although high-temperature-resisting silicon rubber in the market has high temperature resistant function, heat-resistant agent addition is big, leads
Cause mechanical strength to be deteriorated, and do not have antibacterial functions generally, seriously constrain the further development and application of silicon rubber.Therefore,
Its application field will be expanded significantly if a kind of high-temperature resistant antibacterial silicon rubber of high strength can be invented.
The content of the invention
Present invention aims to overcome that defect of the prior art is there is provided a kind of high-temperature resistant antibacterial silicon rubber, its mechanics is strong
Degree height, good anti-bacterial effect, resistance to elevated temperatures are excellent, recoverable.
Meanwhile, present invention also offers a kind of preparation method of high-temperature resistant antibacterial silicon rubber.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of high-temperature resistant antibacterial silicon rubber, basic recipe and weight ratio composition are：30-40 parts of silicon rubber, heat-resistant agent 10-18
Part, 4-12 parts of silver-contained antibacterial fiber, 5-15 parts of fullerene, micro- crosslinking agent 2-8 parts, 3-9 parts of coupling agent, modified carbon black 12-
20 parts, higher boiling filling 15-25 parts of oil, 1-5 parts of antioxidant.
It is preferred that, the heat-resistant agent is polyimide powder, and mesh number is 3000 mesh.
It is preferred that, the silver-contained antibacterial fiber is the silver-colored chitin anti-bacterial fibre of load.
It is preferred that, the fullerene is C60、C70At least one of.
It is preferred that, micro- crosslinking agent is dendritic polyester rare earth compounding.
It is preferred that, the coupling agent is butadienyl triethoxysilane coupling agent.
It is preferred that, the modified carbon black is coupling agent modified carbon black.
It is preferred that, the higher boiling filling oil is higher than 250 DEG C of silicone oil for boiling point.
Above-mentioned high-temperature resistant antibacterial silicon rubber, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, and silicon rubber, micro- crosslinking agent, higher boiling filling oil are added into high mixer,
20 ~ 60min is stirred, is well mixed；
（2）To step（1）In the raw material that mixes add remaining raw material, stir 30 ~ 60min, be well mixed, premixed
Material；
（3）By step（2）Obtained premix is added to banburying 15-30min in banbury, and control temperature is at 155-170 DEG C；So
Plasticate 10-20min at 120-150 DEG C afterwards, discharging, produces.
Beneficial effects of the present invention：
Compared with prior art, the high-temperature resistant antibacterial silicon rubber that prepared by the present invention, adds dystectic polyimides as resistance to
Thermit powder, improves the resistance to elevated temperatures of silicon rubber.Add natural antibacterial material and carry silver-colored chitin anti-bacterial fibre as antiseptic,
Improve the antibacterial effect of silicon rubber.Fullerene is added, because fullerene has very high intensity, the power of material can be improved
Learn intensity.Dendritic polyester rare earth compounding is added as micro- crosslinking agent, it is coordination cross-linked with silicon rubber so that silicon rubber can be with
Recovery is used.High-temperature resistant antibacterial silicon rubber produced by the present invention, mechanical strength is high, elastic and good anti-bacterial effect, resistance to elevated temperatures
Excellent, recoverable, it is adaptable to the field such as sanitary bath hose, electric wire.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
A kind of high-temperature resistant antibacterial silicon rubber, basic recipe and weight ratio composition are：30 parts of silicon rubber, polyimide powder 10
Part, silver-colored 4 parts of the chitin anti-bacterial fibre of load, C605 parts, 2 parts of dendritic polyester rare earth compounding, butadienyl triethoxysilicane
3 parts of alkane coupling agent, 12 parts of coupling agent modified carbon black, 15 parts of silicone oil, 1 part of antioxidant.
Above-mentioned high-temperature resistant antibacterial silicon rubber, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, silicon rubber, dendritic polyester rare earth compounding, silicone oil is added high
Mixed machine, stirs 20min, is well mixed；
（2）To step（1）In the raw material that mixes add remaining raw material, stir 30min, be well mixed, obtain premix；
（3）By step（2）Obtained premix is added to banburying 15min in banbury, and control temperature is at 155 DEG C；Then 120
Plasticate 10min at DEG C, discharging, produces.
Embodiment 2
A kind of high-temperature resistant antibacterial silicon rubber, basic recipe and weight ratio composition are：40 parts of silicon rubber, polyimide powder 18
Part, silver-colored 12 parts of the chitin anti-bacterial fibre of load, C7015 parts, 8 parts of dendritic polyester rare earth compounding, butadienyl triethoxy
9 parts of silane coupler, 20 parts of coupling agent modified carbon black, 25 parts of silicone oil, 5 parts of antioxidant.
Above-mentioned high-temperature resistant antibacterial silicon rubber, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, silicon rubber, dendritic polyester rare earth compounding, silicone oil is added high
Mixed machine, stirs 60min, is well mixed；
（2）To step（1）In the raw material that mixes add remaining raw material, stir 60min, be well mixed, obtain premix；
（3）By step（2）Obtained premix is added to banburying 30min in banbury, and control temperature is at 170 DEG C；Then 150
Plasticate 20min at DEG C, discharging, produces.
Embodiment 3
A kind of high-temperature resistant antibacterial silicon rubber, basic recipe and weight ratio composition are：35 parts of silicon rubber, polyimide powder 14
Part, silver-colored 8 parts of the chitin anti-bacterial fibre of load, C60 10 parts, 5 parts of dendritic polyester rare earth compounding, butadienyl triethoxysilicane
6 parts of alkane coupling agent, 16 parts of coupling agent modified carbon black, 20 parts of silicone oil, 3 parts of antioxidant.
Above-mentioned high-temperature resistant antibacterial silicon rubber, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, silicon rubber, dendritic polyester rare earth compounding, silicone oil is added high
Mixed machine, stirs 40min, is well mixed；
（2）To step（1）In the raw material that mixes add remaining raw material, stir 45min, be well mixed, obtain premix；
（3）By step（2）Obtained premix is added to banburying 20min in banbury, and control temperature is at 160 DEG C；Then 135
Plasticate 15min at DEG C, discharging, produces.
Embodiment 4
A kind of high-temperature resistant antibacterial silicon rubber, basic recipe and weight ratio composition are：32 parts of silicon rubber, polyimide powder 12
Part, silver-colored 5 parts of the chitin anti-bacterial fibre of load, C707 parts, 3 parts of dendritic polyester rare earth compounding, butadienyl triethoxysilicane
4 parts of alkane coupling agent, 14 parts of coupling agent modified carbon black, 17 parts of silicone oil, 2 parts of antioxidant.
Above-mentioned high-temperature resistant antibacterial silicon rubber, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, silicon rubber, dendritic polyester rare earth compounding, silicone oil is added high
Mixed machine, stirs 25min, is well mixed；
（2）To step（1）In the raw material that mixes add remaining raw material, stir 35min, be well mixed, obtain premix；
（3）By step（2）Obtained premix is added to banburying 15min in banbury, and control temperature is at 170 DEG C；Then 120
Plasticate 20min at DEG C, discharging, produces.
Embodiment 5
A kind of high-temperature resistant antibacterial silicon rubber, basic recipe and weight ratio composition are：38 parts of silicon rubber, polyimide powder 16
Part, silver-colored 10 parts of the chitin anti-bacterial fibre of load, C6013 parts, 6 parts of dendritic polyester rare earth compounding, butadienyl triethoxy
7 parts of silane coupler, 18 parts of coupling agent modified carbon black, 23 parts of silicone oil, 4 parts of antioxidant.
Above-mentioned high-temperature resistant antibacterial silicon rubber, the processing step that it is prepared is as follows：
（1）The raw material in formula is weighed by weight ratio, silicon rubber, dendritic polyester rare earth compounding, silicone oil is added high
Mixed machine, stirs 50min, is well mixed；
（2）To step（1）In the raw material that mixes add remaining raw material, stir 30min, be well mixed, obtain premix；
（3）By step（2）Obtained premix is added to banburying 15-30min in banbury, and control temperature is at 160 DEG C；Then exist
Plasticate 15min at 140 DEG C, discharging, produces.
Comparative example 1
As different from Example 1, process is not added with polyimide powder, and other conditions are constant.
Comparative example 2
As different from Example 1, process is not loaded with silver-colored chitin anti-bacterial fibre, and other conditions are constant.
Comparative example 3
As different from Example 1, process is not added with C60, other conditions are constant.
Comparative example 4
As different from Example 1, process is not added with dendritic polyester rare earth compounding, and other conditions are constant.
Comparative example 5
As different from Example 1, process is not added with butadienyl triethoxysilane coupling agent, and other conditions are constant.
Comparative example 6
As different from Example 1, process substitutes coupling agent modified carbon black with unmodified carbon black, and other conditions are constant.
Performance test
Test result is shown in Table 1：
Table 1
From table 1 it follows that comparative example 1-5 and comparative example 1-6, embodiment 1-5 tensile strength, elongation at break and
Heat distortion temperature is significantly improved, and compression set reduction, antibacterial effect is excellent.Illustrate from data above, present invention system
The high-temperature resistant antibacterial silicon rubber obtained, mechanical strength is high, elasticity and good anti-bacterial effect, resistance to elevated temperatures are excellent.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of high-temperature resistant antibacterial silicon rubber, it is characterised in that basic recipe and weight ratio composition are：30-40 parts of silicon rubber,
10-18 parts of heat-resistant agent, 4-12 parts of silver-contained antibacterial fiber, 5-15 parts of fullerene, micro- crosslinking agent 2-8 parts, 3-9 parts of coupling agent,
12-20 parts of modified carbon black, 15-25 parts of oil of higher boiling filling, 1-5 parts of antioxidant.
2. high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterised in that：The heat-resistant agent is polyimide powder
End, mesh number is 3000 mesh.
3. high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterised in that：The silver-contained antibacterial fiber is the silver-colored first of load
Gram plain anti-bacterial fibre.
4. high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterised in that：The fullerene is C60、C70In extremely
Few one kind.
5. high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterised in that：Micro- crosslinking agent is dendritic polyester
Rare earth compounding.
6. high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterised in that：The coupling agent is the second of butadienyl three
TMOS coupling agent.
7. high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterised in that：The modified carbon black is coupling agent modified
Carbon black.
8. high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterised in that：The higher boiling filling oil is high for boiling point
In 250 DEG C of silicone oil.
9. the preparation method of high-temperature resistant antibacterial silicon rubber according to claim 1, it is characterized in that the processing step prepared is such as
Under：
（1）The raw material in formula is weighed by weight ratio, and silicon rubber, micro- crosslinking agent, higher boiling filling oil are added into high mixer,
20 ~ 60min is stirred, is well mixed；
（2）To step（1）In the raw material that mixes add remaining raw material, stir 30 ~ 60min, be well mixed, premixed
Material；
（3）By step（2）Obtained premix is added to banburying 15-30min in banbury, and control temperature is at 155-170 DEG C；So
Plasticate 10-20min at 120-150 DEG C afterwards, discharging, produces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710471947.4A CN107129688A (en) | 2017-06-20 | 2017-06-20 | A kind of high-temperature resistant antibacterial silicon rubber and preparation method thereof |
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| CN201710471947.4A CN107129688A (en) | 2017-06-20 | 2017-06-20 | A kind of high-temperature resistant antibacterial silicon rubber and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705582A (en) * | 2018-12-29 | 2019-05-03 | 常州安康医疗器械有限公司 | A kind of modified silicon rubber and the preparation method and application thereof, the silicone rubber products with bacteriostasis |
| CN111073293A (en) * | 2019-12-31 | 2020-04-28 | 无锡海特信成高分子科技有限公司 | Antibacterial and antioxidant organic silica gel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0640661A2 (en) * | 1993-08-27 | 1995-03-01 | Shin-Etsu Chemical Co., Ltd. | Antibacterial and antifungal silicone rubber compositions |
| CN101735620A (en) * | 2009-12-27 | 2010-06-16 | 周忠坤 | High-temperature resisting methyl vinyl silicone rubber |
-
2017
- 2017-06-20 CN CN201710471947.4A patent/CN107129688A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0640661A2 (en) * | 1993-08-27 | 1995-03-01 | Shin-Etsu Chemical Co., Ltd. | Antibacterial and antifungal silicone rubber compositions |
| CN101735620A (en) * | 2009-12-27 | 2010-06-16 | 周忠坤 | High-temperature resisting methyl vinyl silicone rubber |
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| Title |
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| 范维唐: "《跨世纪煤炭工业新技术》", 30 April 1997, 煤炭工业出版社 * |
| 陈思宇: "载银甲壳素纤维的制备与抗菌性研究", 《纺织导报》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705582A (en) * | 2018-12-29 | 2019-05-03 | 常州安康医疗器械有限公司 | A kind of modified silicon rubber and the preparation method and application thereof, the silicone rubber products with bacteriostasis |
| CN111073293A (en) * | 2019-12-31 | 2020-04-28 | 无锡海特信成高分子科技有限公司 | Antibacterial and antioxidant organic silica gel |
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Application publication date: 20170905 |